EVO DVR Pro - Series 4ch - Intel Cerelon 1.7 Mhz. Bus. 400 Mhz. - Mainboard chipset SIS 530 APG 4x - Kingmax DDR-RAM 128 Mb. Bus 333 mhz. - Seagate 40 Gb. ATA 100, 5400 rpm. - Sound C-Media 4 Chanel - Lan Sis 900 10/100 Mbps. - Support 4 USB, 2 Ports, 1 RJ-45, 1 IEEE - Support S-Video 1 Channel - Small Case Hit silk Cool - Support Video in 4 Channel (15 fps.)